CN104088955B - Based on the magnetorheological hydraulic engine mount of mixed mode - Google Patents
Based on the magnetorheological hydraulic engine mount of mixed mode Download PDFInfo
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- CN104088955B CN104088955B CN201410313396.5A CN201410313396A CN104088955B CN 104088955 B CN104088955 B CN 104088955B CN 201410313396 A CN201410313396 A CN 201410313396A CN 104088955 B CN104088955 B CN 104088955B
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- ring support
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Abstract
The invention discloses a kind of magnetorheological hydraulic engine mount based on mixed mode, squeezed air-damping passage is formed between extruding pole plate and extruded threads ring support, flow damping passage is formed outside between magnetic core and line of flow ring support, adopt the mixed mode structure of flow pattern and squeeze mode, can not only increase the adjustable extent of damping force, improve the vibration isolation capability of suspension, and the controllability of damping force is good, stable output; Adopt inertia channel and decoupling zero film composite structure, the throttle orifice interlaced arrangement of inertia channel and decoupling zero film, alleviate suspension high frequency hardening phenomenon, effectively widened suspension isolation frequency scope; Connecting rod arranges throttling plate, and the flow-disturbing effect of throttling plate reduces high frequency hardening phenomenon; Housing adopts every magnetic aluminum alloy material, and when making its work, magnetic circuit leakage field weakens; Adopt the large diameter hole structure having fluid injection and exhaust two kinds of functions concurrently as fluid injection exhaust port, simplify the structure of suspension, sealability is better.
Description
Technical field
The present invention relates to isolation mounting, be specifically related to a kind of magnetorheological hydraulic engine mount based on mixed mode.
Background technique
The viscosity of magnetic flow liquid and yield stress can change with the change of externally-applied magnetic field, and this change has quick, reversible and controlled feature.Magnetorheological hydraulic mount is exactly this characteristic utilizing magnetic flow liquid, the output damping force that magnetic intensity changes magnetorheological hydraulic mount is changed by the electric current controlled in field coil, thus making the vibration attenuation of the motivation sent out, the response of this process is rapid, process is continuous, reversible.
The existing magnetorheological hydraulic mount for motor car engine vibration isolation, its mode of operation generally adopts single flow pattern or squeeze mode, exist following following not enough: 1) although the adjustable extent of the good damping force of flow pattern controllability is little, during high frequency, adjustability is poor; Can provide larger damping force in squeeze mode wide frequency range, but change with excitation amplitude due to the width that squeezed air-damping is sensible, its controllability is not as good as flow pattern, and therefore the magnetorheological hydraulic mount of single-mode limits the vibration isolating effect of suspension system; 2) because magnetic flow liquid ratio of viscosities is comparatively large, magnetorheological hydraulic mount dynamic hardening phenomenon is in high frequency more outstanding.
Summary of the invention
In view of this, the object of this invention is to provide a kind of magnetorheological hydraulic engine mount based on mixed mode, the adjustable extent of damping force can not only be increased, avoid occurring dynamic hardening phenomenon in high frequency, and the controllability of damping force is good, stable output.
The present invention is solved the problem by following technological means: a kind of magnetorheological hydraulic engine mount based on mixed mode, comprise the housing of open-topped, arrange and be plugged in the rubber spring of housing tip opening, the connecting rod running through rubber spring and the rubber counterdie be arranged at bottom case inside, described housing comprises the upper shell and lower shell body that are bolted, formed airtight between described rubber spring and rubber counterdie and be full of the chamber of magnetic flow liquid, be provided with in described chamber every magnetic base, describedly be provided with flow damping structure every magnetic base both sides, described flow damping structure comprises outer magnetic core and it is wound with the line of flow ring support of field coil, flow damping passage is formed between described outer magnetic core and line of flow ring support, describedly in the middle part of magnetic base, be provided with the extruded threads ring support it being wound with field coil, the position of corresponding described extruded threads ring support is provided with extruding pole plate, squeezed air-damping passage is formed between described extruding pole plate and extruded threads ring support, described connecting rod one end is stretched into chamber and is removably connected with extruding pole plate, described in the middle part of magnetic base upper end have groove, the decoupling zero film with throttle orifice is placed in groove, extruded threads ring support and all offered the inertia channel be staggeredly located with throttle orifice on magnetic base.
Further, described connecting rod is provided with throttling plate, described throttling plate is between extruding pole plate and rubber spring.
Further, also comprise for avoiding the magnetic isolation board that is coupled between flow damping passage and squeezed air-damping channel interior magnetic field and magnetic shield cylinder.
Further, the inner side surface of described upper shell and lower shell body is respectively provided with a step surface, is describedly pressed on the step surface of lower shell body every magnetic base by the two ends of rubber counterdie, is describedly pressed on the step surface of upper shell by outer magnetic core every magnetic base.
Further, magnetic shield cylinder is provided with between described extruded threads ring support and line of flow ring support, extruded threads ring support, line of flow ring support and outer magnetic core lower end are fixed on magnetic base by fastening screw trip bolt, and described magnetic isolation board is connected with line of flow ring support and outer magnetic core upper end by fastening screw trip bolt.
Further, described extruded threads ring support is provided with the coil groove for installing field coil near extruding pole plate side, vertical metallic channel is provided with on the right side of described coil groove, describedly on the upside of magnetic base, be provided with the horizontal metallic channel be communicated with vertical metallic channel, described outer magnetic core and lower shell body inside arrange the horizontal wire guide of being convenient to draw field coil lead-in wire in line of flow ring support.
Further, the fitting surface of described upper shell and lower shell body, upper shell and outer magnetic core and lower shell body and outer magnetic core is provided with seal ring.
Further, described rubber spring is also provided with reinforced block, described reinforced block is provided with fluid injection exhaust port, described connecting rod upper end is fixedly connected with reinforced block by the center screw thread of reinforced block.
Further, described housing is made by every magnetic aluminum alloy material.
Beneficial effect of the present invention:
1) magnetorheological hydraulic mount of the present invention, squeezed air-damping passage is formed between extruding pole plate and extruded threads ring support, flow damping passage is formed outside between magnetic core and line of flow ring support, adopt the mixed mode structure of flow pattern and squeeze mode, can not only increase the adjustable extent of damping force, improve the vibration isolation capability of suspension, and the controllability of damping force is good, stable output.
2) in the middle of magnetic base, upper end is provided with decoupling zero film, and lower disposed has inertia channel.Adopt inertia channel and decoupling zero film composite structure, the throttle orifice interlaced arrangement of inertia channel and decoupling zero film, when low-frequency vibration, motor amplitude is large, decoupling zero film rests on groove side, closes throttle orifice and the inertia channel of decoupling zero film, is conducive to suspension and exports larger damping; When dither, motor amplitude is little, and decoupling zero film is in groove internal vibration, and inertia channel and decoupling zero fenestra are opened, and alleviates suspension high frequency hardening phenomenon, has effectively widened suspension isolation frequency scope.
3) described flow damping passage and squeezed air-damping passage are separated by magnetic isolation board and magnetic shield cylinder, avoid internal magnetic field coupling.
4) on connecting rod, arrange throttling plate, the flow-disturbing effect of throttling plate reduces high frequency hardening phenomenon.
5) housing adopts every magnetic aluminum alloy material, and when making its work, magnetic circuit leakage field weakens; Adopt the large diameter hole structure having fluid injection and exhaust two kinds of functions concurrently as fluid injection exhaust port, simplify the structure of suspension, sealability is better.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of connecting rod;
Fig. 3 is the structural representation of throttling plate;
Fig. 4 is the structural representation of extruding pole plate;
Fig. 5 is the structural representation of outer magnetic core;
Fig. 6 is the structural representation of lower shell body;
Fig. 7 is the structural representation of magnetic isolation board;
Fig. 8 is the structural representation of line of flow ring support;
Fig. 9 is the structural representation of magnetic shield cylinder;
Figure 10 is the structural representation of extruded threads ring support;
Figure 11 is the structural representation every magnetic base.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail, as shown in figs. 1-11: the magnetorheological hydraulic engine mount based on mixed mode of the present invention, comprise the housing of open-topped, arrange and be plugged in the rubber spring 2 of housing tip opening, the connecting rod 3 running through rubber spring and the rubber counterdie 4 be arranged at bottom case inside, described housing comprises the upper shell 1a and lower shell body 1b that are bolted, rubber spring 2 is fixedly connected with upper shell 1a by sulfuration process, formed airtight between described rubber spring 2 and rubber counterdie 4 and be full of the chamber of magnetic flow liquid, be provided with in described chamber every magnetic base 5, describedly be provided with flow damping structure every magnetic base both sides, described flow damping structure comprises outer magnetic core 6 and it is wound with the line of flow ring support 7 of field coil, flow damping passage is formed between described outer magnetic core 6 and line of flow ring support 7, describedly in the middle part of magnetic base 5, be provided with the extruded threads ring support 8 it being wound with field coil, the position of corresponding described extruded threads ring support is provided with extruding pole plate 9, squeezed air-damping passage is formed between described extruding pole plate 9 and extruded threads ring support 8, described connecting rod 3 one end is stretched into chamber and is removably connected with extruding pole plate 9, described in the middle part of magnetic base 5 upper end have groove, the decoupling zero film 10 with throttle orifice 10a is placed in groove, extruded threads ring support and all offered the inertia channel 5a be staggeredly located with throttle orifice on magnetic base.
As the further improvement of technique scheme, described connecting rod 3 is provided with throttling plate 11, described throttling plate 11 is between extruding pole plate 9 and rubber spring 2.The flow-disturbing effect of throttling plate 11 reduces high frequency hardening phenomenon.
As the further improvement of technique scheme, also comprise for avoiding the magnetic isolation board 12 that is coupled between flow damping passage and squeezed air-damping channel interior magnetic field and magnetic shield cylinder 13.
As the further improvement of technique scheme, described rubber spring 2 is also provided with reinforced block 18, rubber spring 2 is fixedly connected with reinforced block by sulfuration process, described reinforced block 18 is provided with fluid injection exhaust port 19, described connecting rod 3 upper end is fixedly connected with reinforced block by the center screw thread of reinforced block 18, adopt the large diameter hole structure having fluid injection and exhaust two kinds of functions concurrently as fluid injection exhaust port, simplify the structure of suspension, sealability is better.
For making technique scheme clearly, enumerate more specifically mode of execution below:
A kind of magnetorheological hydraulic engine mount based on mixed mode, described upper shell 1a and lower shell body 1b makes by every magnetic aluminum alloy material, be provided with in described chamber every magnetic base 5, describedly be provided with flow damping structure every magnetic base both sides, described flow damping structure comprises outer magnetic core 6 and it is wound with the line of flow ring support 7 of field coil, flow damping passage is formed between described outer magnetic core 6 and line of flow ring support 7, described outer magnetic core 6 and lower shell body 1b inside arrange the horizontal wire guide 16 of being convenient to draw field coil lead-in wire in line of flow ring support, describedly in the middle part of magnetic base, be provided with extruded threads ring support 8, the position of corresponding described extruded threads ring support is provided with extruding pole plate 9, squeezed air-damping passage is formed between described extruding pole plate 9 and extruded threads ring support 8, described extruded threads ring support is provided with the coil groove for installing field coil near extruding pole plate side, vertical metallic channel 14 is provided with on the right side of described coil groove, describedly on the upside of magnetic base, be provided with the horizontal metallic channel 15 be communicated with vertical metallic channel, described horizontal wire guide 16 and horizontal metallic channel 15 place of being in communication with the outside are provided with the sealing screw 20 for preventing magnetic flow liquid from leaking, described connecting rod exposes the screw thread that suspension part one end is provided with certain length, for being connected with motor, the described connecting rod the other end stretches into chamber and removably connects with extruding pole plate, described connecting rod is provided with throttling plate 11, described throttling plate is between extruding pole plate and rubber spring, described in the middle part of magnetic base upper end have groove, the decoupling zero film 10 with throttle orifice 10a is placed in groove, extruded threads ring support and all offered the inertia channel 5a be staggeredly located with throttle orifice on magnetic base.
The inner side surface of described upper shell 1a and lower shell body 1b is respectively provided with a step surface, describedly every magnetic base 5, the two ends of rubber counterdie 4 are pressed on the step surface of lower shell body, describedly every magnetic base 5, outer magnetic core 6 is pressed on the step surface of upper shell, the fitting surface of described upper shell and lower shell body, upper shell and outer magnetic core and lower shell body and outer magnetic core is provided with seal ring 17; Avoid preventing the phenomenon of leakage.
Magnetic shield cylinder 13 is provided with between described extruded threads ring support and line of flow ring support, extruded threads ring support 8, line of flow ring support 7 and outer magnetic core 6 lower end are fixed on magnetic base 5 by fastening screw trip bolt, and described magnetic isolation board is connected with line of flow ring support and outer magnetic core upper end by fastening screw trip bolt.
Be provided with vent 21 bottom described lower shell body, vent is used for rubber counterdie side to communicate with air.
When engine luggine drives connecting rod 3 and throttling plate 11 to move up and down together with extruding pole plate 9, squeezed air-damping channel width changes, and damp channel width is less, and damping force is larger; Because engine luggine amplitude is relatively little, squeeze mode can increase the adjustable extent of damping force while meeting maximum output damping force, improves the vibration isolation capability of suspension.When low-frequency vibration, motor amplitude is large, and decoupling zero film 10 rests on groove side, closes throttle orifice 10a and the inertia channel 5a of decoupling zero film, is conducive to suspension and exports larger damping; When dither, motor amplitude is little, and decoupling zero film is in groove internal vibration, inertia channel 5a and throttle orifice 10a opens, alleviate suspension high frequency hardening phenomenon, effectively widened suspension isolation frequency scope, the flow-disturbing effect of throttling plate 11 also can reduce further high frequency hardening phenomenon; In working procedure, flow damping channel width remains unchanged, and in wide frequency range, can provide stable flow damping power, because this eliminating the drawback of squeeze mode structural damping power poor controllability, makes damping force stable output reliable.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. the magnetorheological hydraulic engine mount based on mixed mode, comprise the housing of open-topped, arrange and be plugged in the rubber spring (2) of housing tip opening, the connecting rod (3) running through rubber spring and the rubber counterdie (4) be arranged at bottom case inside, described housing comprises the upper shell (1a) and lower shell body (1b) that are bolted, formed airtight between described rubber spring and rubber counterdie and be full of the chamber of magnetic flow liquid, it is characterized in that: be provided with every magnetic base (5) in described chamber, describedly be provided with flow damping structure every magnetic base both sides, described flow damping structure comprises outer magnetic core (6) and it is wound with the line of flow ring support (7) of field coil, flow damping passage is formed between described outer magnetic core (6) and line of flow ring support (7), describedly in the middle part of magnetic base, be provided with the extruded threads ring support (8) it being wound with field coil, the position of corresponding described extruded threads ring support is provided with extruding pole plate (9), squeezed air-damping passage is formed between described extruding pole plate and extruded threads ring support, described connecting rod (3) one end is stretched into chamber and is removably connected with extruding pole plate (9), described in the middle part of magnetic base upper end have groove, the decoupling zero film (10) with throttle orifice (10a) is placed in groove, extruded threads ring support and all offered the inertia channel (5a) be staggeredly located with throttle orifice on magnetic base.
2. the magnetorheological hydraulic engine mount based on mixed mode according to claim 1, is characterized in that: described connecting rod (3) is provided with throttling plate (11), and described throttling plate is between extruding pole plate and rubber spring.
3. the magnetorheological hydraulic engine mount based on mixed mode according to claim 2, is characterized in that: also comprise for avoiding the magnetic isolation board (12) that is coupled between flow damping passage and squeezed air-damping channel interior magnetic field and magnetic shield cylinder (13).
4. the magnetorheological hydraulic engine mount based on mixed mode according to claim 3, it is characterized in that: the inner side surface of described upper shell and lower shell body is respectively provided with a step surface, describedly every magnetic base (5), the two ends of rubber counterdie (4) are pressed on the step surface of lower shell body, describedly every magnetic base (5), outer magnetic core (6) are pressed on the step surface of upper shell.
5. the magnetorheological hydraulic engine mount based on mixed mode according to claim 3, it is characterized in that: between described extruded threads ring support (8) and line of flow ring support (7), be provided with magnetic shield cylinder (13), extruded threads ring support (8), line of flow ring support (7) and outer magnetic core (6) lower end are fixed on magnetic base (5) by fastening screw trip bolt, and described magnetic isolation board (12) is connected with line of flow ring support (7) and outer magnetic core (6) upper end by fastening screw trip bolt.
6. the magnetorheological hydraulic engine mount based on mixed mode according to claim 5, it is characterized in that: described extruded threads ring support (8) is provided with the coil groove for installing field coil near extruding pole plate (9) side, vertical metallic channel (14) is provided with on the right side of described coil groove, describedly on the upside of magnetic base, be provided with the horizontal metallic channel (15) be communicated with vertical metallic channel, described outer magnetic core and lower shell body inside arrange the horizontal wire guide (16) of being convenient to draw field coil lead-in wire in line of flow ring support.
7. the magnetorheological hydraulic engine mount based on mixed mode according to claim 6, is characterized in that: the fitting surface of described upper shell and lower shell body, upper shell and outer magnetic core and lower shell body and outer magnetic core is provided with seal ring (17).
8. the magnetorheological hydraulic engine mount based on mixed mode according to claim 7, it is characterized in that: described rubber spring is also provided with reinforced block (18), described reinforced block is provided with fluid injection exhaust port (19), described connecting rod (3) upper end is fixedly connected with reinforced block by the center screw thread of reinforced block (18).
9. the magnetorheological hydraulic engine mount based on mixed mode according to claim 1-8 any one, is characterized in that: described housing is made by every magnetic aluminum alloy material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410313396.5A CN104088955B (en) | 2014-07-03 | 2014-07-03 | Based on the magnetorheological hydraulic engine mount of mixed mode |
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| CN201410313396.5A CN104088955B (en) | 2014-07-03 | 2014-07-03 | Based on the magnetorheological hydraulic engine mount of mixed mode |
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| CN104088955A CN104088955A (en) | 2014-10-08 |
| CN104088955B true CN104088955B (en) | 2016-01-20 |
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| CN104455176B (en) * | 2014-11-27 | 2017-02-01 | 安徽微威胶件集团有限公司 | Magneto-rheological elastomer decoupling membrane element |
| CN105927696B (en) * | 2016-07-07 | 2018-02-23 | 河南科技大学 | A kind of magnetorheological precision machine tool vibration isolator |
| CN106286687B (en) * | 2016-11-09 | 2018-08-24 | 重庆交通大学 | Flowing and the magnetic rheological isolator for squeezing integrated mode |
| KR101812744B1 (en) | 2017-03-29 | 2018-01-30 | 평화산업주식회사 | Module Type Active Engine Mount equipped with heat structures |
| KR102463426B1 (en) * | 2017-11-24 | 2022-11-03 | 현대자동차주식회사 | Engine mount for vehicle |
| CN108501680B (en) * | 2018-05-10 | 2023-08-29 | 浙江零跑科技股份有限公司 | Suspension liquid seal structure |
| CN108869611B (en) * | 2018-07-22 | 2020-08-11 | 重庆交通大学 | Passenger car engine multi-mode magneto-rheological vibration isolator |
| CN109505917B (en) * | 2018-12-04 | 2020-09-18 | 重庆理工大学 | Vibration isolation device based on magnetic control rigidity and damping |
| CN109404475B (en) * | 2018-12-12 | 2020-09-08 | 重庆交通大学 | Variable decoupling film rigidity mixed mode magneto-rheological vibration isolator |
| CN109532451A (en) * | 2019-01-11 | 2019-03-29 | 河南科技学院 | A kind of new engine suspension |
| CN109707581B (en) * | 2019-02-01 | 2024-01-23 | 安徽工程大学 | Engine semi-active suspension device with energy recovery function |
| CN110259873B (en) * | 2019-06-28 | 2021-03-02 | 重庆交通大学 | Mixed-mode magneto-rheological vibration isolator |
| CN112060900B (en) * | 2020-10-10 | 2022-04-05 | 上海汽车集团股份有限公司 | Automobile, power assembly suspension system and torsion-resistant pull rod thereof |
| CN118056082A (en) * | 2022-07-27 | 2024-05-17 | 华为技术有限公司 | Vibration damper and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040049230A (en) * | 2002-12-05 | 2004-06-11 | 대한민국(부경대학교 총장) | Piston valve device of damper using magneto-rheological fluid |
| CN101936360A (en) * | 2010-09-07 | 2011-01-05 | 吉林大学 | Semi-active control magnetorheological hydraulic mount for automotive powertrain |
| CN102829127A (en) * | 2012-09-20 | 2012-12-19 | 重庆大学 | Magneto-rheological damper of automobile engine suspension system |
| CN103148158A (en) * | 2013-03-15 | 2013-06-12 | 重庆大学 | Magnetorheological hydraulic engine mount based on extrusion mode |
| CN103644246A (en) * | 2013-12-02 | 2014-03-19 | 江苏大学 | Mixed-mode magneto-rheological hydraulic suspension device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6622995B2 (en) * | 2001-05-16 | 2003-09-23 | Delphi Technologies, Inc. | Hydraulic mount with magnetorheological fluid |
-
2014
- 2014-07-03 CN CN201410313396.5A patent/CN104088955B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040049230A (en) * | 2002-12-05 | 2004-06-11 | 대한민국(부경대학교 총장) | Piston valve device of damper using magneto-rheological fluid |
| CN101936360A (en) * | 2010-09-07 | 2011-01-05 | 吉林大学 | Semi-active control magnetorheological hydraulic mount for automotive powertrain |
| CN102829127A (en) * | 2012-09-20 | 2012-12-19 | 重庆大学 | Magneto-rheological damper of automobile engine suspension system |
| CN103148158A (en) * | 2013-03-15 | 2013-06-12 | 重庆大学 | Magnetorheological hydraulic engine mount based on extrusion mode |
| CN103644246A (en) * | 2013-12-02 | 2014-03-19 | 江苏大学 | Mixed-mode magneto-rheological hydraulic suspension device |
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